Abstract:
BACKGROUND:Patients with gastric cancer have a poor prognosis and can be cured by surgery only if the cancer is detected in an early stage. Extended surgery, down staging with chemotherapy before operation, and new postoperative treatments are recent approaches to increase survival rates. Categorizing patients' prognoses as good or poor by pathophysiologic markers, however, may be of great help in selecting therapies for these patients. For example, plasminogen activation (PA) parameters, that play an important role in tumor invasion and metastasis, have prognostic value for several human malignancies. METHODS:We evaluated the relation between several PA parameters in tissue with standard clinicopathologic parameters and with the overall survival of 50 consecutive patients with gastric carcinoma. RESULTS:Univariate analysis showed that a low tissue-type plasminogen activator (t-PA) activity in normal mucosa and in carcinomas and a high antigen level of inhibitor type-1 (PAI-1), and, to a lesser extent, of urokinase-type plasminogen activator (u-PA) receptor, in carcinomas are associated with a poor overall survival of the patients. In contrast, of the 14 clinicopathological parameters only the number of eosinophils in the tumors was associated with survival. Multivariate analysis revealed that the t-PA and PAI-1 levels are independently associated with survival. CONCLUSIONS:Plasminogen activation parameters in both normal and carcinomatous tissue of the stomach of patients with gastric carcinoma are of particular clinical interest because of their prognostic impact on overall survival.
journal_name
Cancerjournal_title
Cancerauthors
Ganesh S,Sier CF,Heerding MM,van Krieken JH,Griffioen G,Welvaart K,van de Velde CJ,Verheijen JH,Lamers CB,Verspaget HWdoi
10.1002/(sici)1097-0142(19960315)77:6<1035::aid-cnsubject
Has Abstractpub_date
1996-03-15 00:00:00pages
1035-43issue
6eissn
0008-543Xissn
1097-0142pii
10.1002/(SICI)1097-0142(19960315)77:6<1035::AID-CNjournal_volume
77pub_type
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